BAT Machine, B, Stainless Steel, Nitride, Standard length, Round 1.55 in, Right Bolt, Diamond Fluting, Magnum, Standard knob, Right Load, Right Eject STD, No sight base, Recessed Lug

The model B is one inch longer than the model S to allow for larger cartridge length and more bedding surface. This action is 7.565” long and has several exterior shape options. Starting weight is 33 oz and varies with options chosen. Load port length is 3.00 inches and barrel tenon is 1.062 x 18 tpi.